feat: pre-existing local changes — fischerei, verband, modules, members, packages

Commits all remaining uncommitted local work:

- apps/web: fischerei, verband, modules, members-cms, documents,
  newsletter, meetings, site-builder, courses, bookings, events,
  finance pages and components
- apps/web: marketing page updates, layout, paths config,
  next.config.mjs, styles/makerkit.css
- apps/web/i18n: documents, fischerei, marketing, verband (de+en)
- packages/features: finance, fischerei, member-management,
  module-builder, newsletter, sitzungsprotokolle, verbandsverwaltung
  server APIs and components
- packages/ui: button.tsx updates
- pnpm-lock.yaml

apps/web/app/[locale]/home/[account]/members-cms/[memberId]/page.tsx

@@ -21,7 +21,7 @@ export default async function MemberDetailPage({ params }: Props) {
 
   const api = createMemberManagementApi(client);
   const member = await api.getMember(memberId);
-  if (!member) return <div>Mitglied nicht gefunden</div>;
+  if (!member) return <AccountNotFound />;
 
   // Fetch sub-entities in parallel
   const [roles, honors, mandates] = await Promise.all([